3 files changed, 14 insertions, 0 deletions
diff --git a/engines/sci/engine/vm.cpp b/engines/sci/engine/vm.cpp
index 9d8c5f7fc6..82de957387 100644
--- a/engines/sci/engine/vm.cpp
+++ b/engines/sci/engine/vm.cpp
@@ -20,6 +20,7 @@
  *
  */
 
+#include "common/config-manager.h"
 #include "common/debug.h"
 #include "common/debug-channels.h"
 
@@ -209,6 +210,12 @@ static void write_var(EngineState *s, int type, int index, reg_t value) {
 				g_sci->updateScummVMAudioOptions();
 			}
 		}
+
+#ifdef ENABLE_SCI32
+		if (type == VAR_GLOBAL && index == kGlobalVarTextSpeed && getSciVersion() >= SCI_VERSION_2) {
+			ConfMan.setInt("talkspeed", (8 - value.toSint16()) * 255 / 8);
+		}
+#endif
 	}
 }
 
diff --git a/engines/sci/engine/vm.h b/engines/sci/engine/vm.h
index a4ac16ea32..dd66d9d52c 100644
--- a/engines/sci/engine/vm.h
+++ b/engines/sci/engine/vm.h
@@ -148,6 +148,7 @@ enum GlobalVar {
 	kGlobalVarScore          = 15,
 	kGlobalVarFastCast       = 84, // SCI16
 	kGlobalVarMessageType    = 90,
+	kGlobalVarTextSpeed      = 94, // SCI32; 0 is fastest, 8 is slowest
 	kGlobalVarShivers1Score  = 349
 };
 
diff --git a/engines/sci/sci.cpp b/engines/sci/sci.cpp
index 168e3c49ba..246c031c06 100644
--- a/engines/sci/sci.cpp
+++ b/engines/sci/sci.cpp
@@ -1121,6 +1121,12 @@ void SciEngine::syncIngameAudioOptions() {
 		bool subtitlesOn = ConfMan.getBool("subtitles");
 		bool speechOn = !ConfMan.getBool("speech_mute");
 
+#ifdef ENABLE_SCI32
+		if (getSciVersion() >= SCI_VERSION_2) {
+			_gamestate->variables[VAR_GLOBAL][kGlobalVarTextSpeed] = make_reg(0, 8 - ConfMan.getInt("talkspeed") * 8 / 255);
+		}
+#endif
+
 		if (useGlobal90) {
 			if (subtitlesOn && !speechOn) {
 				_gamestate->variables[VAR_GLOBAL][kGlobalVarMessageType] = make_reg(0, 1);	// subtitles